Tucson Fire responded to a fire call at the popular downtown club, HighWire on Saturday afternoon.
Crews arrived at just before 1:30 p.m. to the club, at 30 S. Arizona Ave., to smoke coming from the building.
The building was connected to other structures, which were evacuated as a precaution, according to a post on TFD's social media.
The sprinkler system helped to suppress the fire. It was under control by 1:37 p.m.
The cause of the fire is under investigation.
Highwire was open again by 9 p.m. the same day.